Re: example GATT code to talk with a sensortag

[Don Zickus <dzickus@redhat.com>]

On Mon, Jan 11, 2016 at 03:43:40PM -0300, Luiz Augusto von Dentz wrote:
> Hi Don,
> 
> On Mon, Jan 11, 2016 at 3:14 PM, Don Zickus <dzickus@redhat.com> wrote:
> > On Sun, Jan 10, 2016 at 07:13:56PM -0300, Luiz Augusto von Dentz wrote:
> >> Hi Don,
> >>
> >> On Fri, Jan 8, 2016 at 7:26 PM, Don Zickus <dzickus@redhat.com> wrote:
> >> > Hi,
> >> >
> >> > Sorry for the newbie question.  I stumbled upon a TI sensortag and was able
> >> > to communicate with it using the gatttool.  Now I am trying to figure out
> >> > how to build an app around that.  Googling has shown me lots of examples of
> >> > folks using expect scripts (around the gatttool).
> >> >
> >> > I was hoping for something in C or python.  Is there an example
> >> > program/script around that I can copy and expand to get me started?
> >> >
> >> > Thanks!
> >> >
> >> > Cheers,
> >> > Don
> >>
> >> bluetoothctl has some generic support for GATT attributes, in addition
> >> we have some examples in python under test/example-gatt-client and
> >> test/example-gatt-server.
> >
> > Hi Luiz,
> >
> > Hmm, the example program complains about no such interface 'org.bluez.GattService1'.
> >
> > Originally I thought that was a generic bluez interface but now I am
> > wondering if that was specific to the example program.
> >
> > Any tip on what the expected interface should be (so I know what to add)?
> >
> > (by the way, I am using bluez-5.36 if that helps)
> 
> 
> You will need to pass -E to bluetoothd to enable the experimental
> intefaces, btw there is a recent change to GATT server/peripheral so I
> suggest you try with the current version on git.

Hi Luiz,

Thanks for the tip!  I will play with that and see how far I get.

Cheers,
Don